A diver (Tony Youseman) on one of the quadruple propellersRebreather training in Malta.Santi drysuit and heating system on sale here,Rebreather diver in the red sea

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Technical diving is scuba diving’s “extreme” sport, taking experienced and qualified divers far deeper than in mainstream recreational diving. Technical diving is marked by significantly more equipment and training requirements to manage the additional hazard this type of diving entails. Tec diving isn’t for everyone, but if you think it's for you read on... What is technical diving? Technical scuba diving is defined as diving other than conventional commercial or research diving that takes divers beyond recreational scuba diving limits. It is further defined as and includes one or more of the following:


- diving beyond 40 metres deep

- required stage decompression

- diving in an overhead environment beyond 40 linear metres of the surface

- accelerated decompression and or the use of variable gas mixtures during the dive


Because in technical diving the surface is effectively inaccessible in an emergency, tec divers use extensive methodologies and technologies and training to manage the added risks. Even with these, however, tec diving admittedly has more risk, potential hazard and shorter critical error chains than does recreational scuba diving.


How long has technical diving been around?


Most people would agree that cave diving is a form of technical diving. Cave diving developed in the late 1960s and 1970s, developing into a discipline largely like it is today by the mid 1980s. In the early 1990s, several groups of divers around the world began experimenting with technologies for deep diving (beyond recreational limits) to explore both caves and wrecks. These communities united and emerged as “technical diving” or “tec diving” with the publication of aquaCorps (no longer in print), which dedicated itself to this type of diving. Since then, tec diving continues to develop both in scope and in its technologies.


Why would I want to be a tec diver?


Tec diving not only has more risk, but it requires significantly more effort, discipline and equipment. It’s not for everyone, and you can be an accomplished, avid top-notch diver your entire life without making a tec dive.


That said, there’s a cadre of individuals who want to visit places underwater that relatively few people can. Many spectacular, untouched wrecks lie at depths well below 40 metres. Deep reefs have organisms you don’t find in the shallows. Some people enjoy the challenge and focus tec diving requires. Still others love being involved with cutting edge technologies. These reasons make tec diving rewarding.

International Association of Rebreather Trainers International Association Nitrox and Technical Diver Padi Tec Rec Technical Diving International

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Comments of visitors

19 February 2014, comments added by Rob Hill, United Kingdom
Website looks great Dave! Hope all is going well with you mate and hopefully see you at some point when you boys get back from Russia! Cheers, Rob

25 October 2013, comments added by Leo, Netherlands
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